The most reasonably priced component used on the Gs1000c 1978 (c) Usa (e03) Front Caripers (gs1000c is the Screw.
The sub assemblies and components that make up this Front Caripers (gs1000c include this Pad Set (mca), the most expensive part.
This FRONT CARIPERS (GS1000C assembly utilises two O Ring,axle Caliper(s) - the highest specified component.